supply of gaugesgauges,gauge (go & nogo) for bent link u-gap - 78 mm (gauge for screw coupling) required size: go - 77 mm & nogo - 85 mm ref. drg. no. rdso - sk - 79068 alt-08 & sk - 99002 material - tool steel, is 3748/90 hardness - 50/55 hrc. supply with calibration certificate - valid for min. 01 year issued from nabl approved lab [ warranty period: 30 months after the date of delivery ] ] , profile gauge with - 15 mm. adjustable projection for root of the hook near the point of conta ct with bent link (gauge for draw hook). ref. drg no. rdso - sk - 79062 alt-05 & 99007. material tool stee l. is - 3748/90,hardness - 50 / 55 hrc supply with calibration certificate - valid for min. 01 year issued fro m nabl approved lab [ warranty period: 30 months after the date of delivery ] ] , gauge for hole on straight link. 61 mm dia hole. required size - nogo - 63.0 mm (flat type ) ref. drg. no. rdso - sk - 79068 alt-08 & sk - 99002 material - tool steel, is 3748/90 hardness - 50/55 hr c. supply with calibration certificate - valid for min. 01 year issued from nabl approved lab [ warranty p eriod: 30 months after the date of delivery ] ] , gauge for hole on straight link. 47 mm dia hole. required size - nogo - 49.0 mm (flat type ) ref.drg. no. rdso - sk - 79068 alt-08 & sk - 99002 material - tool steel, is 3748/90 hardness - 50/55 hrc . supply with calibration certificate - valid for min. 01 year issued from nabl approved lab [ warranty pe riod: 30 months after the date of delivery ] ] , k- thread profile gauge (ring gauge type) for screw. size - 55 x 6.35 mm - k/thread. go & n ogo gauge. wear limit - 1 mm ref. drg. no. rdso - sk - 79068 alt-08 & sk - 99002 material - stainless ste el &hardened. supply with calibration certificate - valid for min. 01 year issued from nabl approved lab [ warranty period: 30 months after the date of delivery ] ] , k- thread profile gauge (plug gauge type) for trunnion - lh/rh. size - 55.635 x 6.35 mm -d/t hread. go & nogo gauge. wear limit - 1